ARKANSAS RIVER BASIN

07103790 MONUMENT CREEK BELOW SEWAGE TREATMENT PLANT AT U.S. AIR FORCE ACADEMY, CO

LOCATION.--Lat 38°58'53", long 104°49'50", in NW14NW14 sec.30, T.12 S., R.66 W., El Paso County, Hydrologic Unit 11020003, on U.S. Air Force Academy, on right bank 100 ft upstream from Sante Fe Recreation Trail footbridge, 1.0 mi west of Interstate 25, 1.2 mi southeast of Falcon Stadium, and 1.5 mi northwest of the south entrance to the U.S. Air Force Academy.

DRAINAGE AREA.--122 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April 2000 to September 2003 (seasonal records only) (discontinued). For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07103790

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 6,420 ft above NGVD of 1929, from topographic map.

REMARKS.--Records fair except for estimated daily discharges and those above 30 ft3/s, which are poor. Natural flow of stream affected by storage reservoirs, diversions for irrigation and municipal use, ground-water withdrawals, return flows from irrigated areas, and flows from sewage-treatment plants. Several measurements of specific conductance and water temperature were obtained and are published in the "Supplemental Water-Quality Data for Gaging Stations" section of this report.

EXTREMES FOR PERIOD OF RECORD (seasonal only).--Maximum discharge, 218 ft3/s, Aug. 31, 2003, gage height, 4.95 ft, from rating curve extended above 44 ft3/s; minimum daily, 1.5 ft3/s, Aug. 17, 2002.

EXTREMES FOR CURRENT YEAR (seasonal only).--Maximum discharge, 218 ft3/s, Aug. 31, gage height, 4.95 ft, from rating curve extended above
44 ft3/s; minimum daily, 1.7 ft3/s, Aug. 24.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	3.3	5.3	---	---	---	---	12	35	12	6.9	2.6	9.5
2	4.1	5.4	---	---	---	---	13	36	11	4.9	2.4	6.8
3	4.8	5.5	---	---	---	---	12	35	9.7	4.6	2.4	7.0
4	4.3	5.4	---	---	---	---	12	34	7.7	4.1	2.8	7.7
5	4.2	4.9	---	---	---	---	10	32	12	3.7	2.4	5.8
6	4.1	4.8	---	---	---	---	10	24	12	3.7	2.2	5.5
7	4.3	4.8	---	---	---	---	10	23	12	3.8	1.8	6.9
8	3.4	4.7	---	---	---	---	13	22	12	3.5	2.1	8.2
9	2.8	4.6	---	---	---	---	14	19	9.1	3.1	2.2	6.1
10	2.8	4.8	---	---	---	---	12	21	8.1	3.2	2.5	5.3
11	2.9	4.8	---	---	---	---	8.7	19	8.9	3.5	3.2	4.2
12	2.9	4.8	---	---	---	---	8.4	18	9.6	3.0	3.8	4.1
13	e3.7	4.6	---	---	---	---	11	17	10	2.8	2.8	4.1
14	e3.5	4.7	---	---	---	---	16	16	6.5	2.6	2.5	4.7
15	e3.4	4.7	---	---	---	---	22	18	5.1	2.5	2.5	4.2
16	e3.5	4.6	---	---	---	---	27	19	5.8	2.5	2.2	4.1
17	3.8	4.5	---	---	---	---	25	15	12	2.4	2.2	3.6
18	3.9	4.2	---	---	---	---	21	15	27	2.4	2.8	3.6
19	3.9	3.8	---	---	---	---	21	16	29	2.5	3.5	4.8
20	4.1	3.5	---	---	---	---	23	17	31	3.0	2.3	3.3
21	4.1	3.5	---	---	---	---	21	15	17	2.8	1.9	3.0
22	4.2	3.6	---	---	---	---	17	13	10	2.9	1.9	3.1
23	4.5	3.7	---	---	---	---	19	13	9.7	3.0	1.8	3.5
24	4.7	3.9	---	---	---	---	38	12	8.9	2.9	1.7	2.6
25	4.7	4.0	---	---	---	---	38	11	8.5	2.9	1.9	2.5
26	4.6	e3.8	---	---	---	---	25	11	13	2.9	1.8	2.4
27	6.3	e3.6	---	---	---	---	12	11	10	3.0	2.9	2.4
28	5.9	e3.7	---	---	---	---	29	8.9	8.8	2.8	2.8	2.6
29	5.4	e3.8	---	---	---	---	54	8.0	14	2.8	4.8	2.8
30	5.0	e4.0	---	---	---	---	37	12	9.2	2.9	24	3.6
31	5.0	---	---	---	---	---	---	18	---	2.6	69	---
TOTAL	128.1	132.0	---	---	---	---	591.1	583.9	359.6	100.2	165.7	138.0
MEAN	4.13	4.40	---	---	---	---	19.7	18.8	12.0	3.23	5.35	4.60
MAX	6.3	5.5	---	---	---	---	54	36	31	6.9	69	9.5
MIN	2.8	3.5	---	---	---	---	8.4	8.0	5.1	2.4	1.7	2.4
AC-FT	254	262	---	---	---	---	1,170	1,160	713	199	329	274

e Estimated.